On Wed, Sep 26, 2018 at 02:58:40PM -0700, Jae Hyun Yoo wrote:
> This commit adds 'aspeed,timeout' property as an optional property
> which can be used for setting 'timeout' value of
> 'struct i2c_adapter'. With this patch, the timeout value can be
> set through an I2C_TIMEOUT ioctl on cdev, or through this optional
> DT property.
Isn't controlling this from userspace or relying on a default
sufficient? I can't see this needing to be highly tuned for each
platform.
However, if we do have a property, it should be common.
>
> Signed-off-by: Jae Hyun Yoo <jae.hyun.yoo@xxxxxxxxxxxxxxx>
> ---
> Documentation/devicetree/bindings/i2c/i2c-aspeed.txt | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/i2c/i2c-aspeed.txt b/Documentation/devicetree/bindings/i2c/i2c-aspeed.txt
> index 8fbd8633a387..d6965b360fbc 100644
> --- a/Documentation/devicetree/bindings/i2c/i2c-aspeed.txt
> +++ b/Documentation/devicetree/bindings/i2c/i2c-aspeed.txt
> @@ -17,6 +17,9 @@ Optional Properties:
> specified
> - multi-master : states that there is another master active on this bus.
>
> +- aspeed,timeout : I2C bus timeout in microseconds defaults to 5 seconds when
> + not specified.
> +
> Example:
>
> i2c {
> --
> 2.19.0
>
